Pith Number

pith:CEUBDLBN

pith:2001:CEUBDLBNIYQCUD7B42V5PPNPKL

not attested not anchored not stored refs pending

Circumstellar Disks in the IC 348 Cluster

Charles J. Lada, Elizabeth A. Lada, Karl E. Haisch Jr.

arxiv:astro-ph/0101486 v1 · 2001-01-26 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CEUBDLBNIYQCUD7B42V5PPNPKL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:25:39.736170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

112811ac2d46202a0fe1e6abd7bdaf52c2dad74a9ce2a9dd9a20207d7fc936a7

Aliases

arxiv: astro-ph/0101486 · arxiv_version: astro-ph/0101486v1 · doi: 10.48550/arxiv.astro-ph/0101486 · pith_short_12: CEUBDLBNIYQC · pith_short_16: CEUBDLBNIYQCUD7B · pith_short_8: CEUBDLBN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CEUBDLBNIYQCUD7B42V5PPNPKL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 112811ac2d46202a0fe1e6abd7bdaf52c2dad74a9ce2a9dd9a20207d7fc936a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1035020e3a42126fb13c974d6ef1973603bc7f992cf9103a4d8bb043467b94",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-26T19:14:19Z",
    "title_canon_sha256": "3021e66ad0dfccf4e4358c95c40380a75eeed37cce9f9d45b7055369f77961f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101486",
    "kind": "arxiv",
    "version": 1
  }
}